devServer.proxy config only allow simple options for http-proxy-middleware

[showapi]

Version

3.0.1

Node and OS info

Node 10.7.0 / yarn 1.7.0 / OS High Sierra

Steps to reproduce

devServer: {
    port:3005,
    proxy:[
      {
        context: [
          '**',
          '!/js/appDist/**'
        ],
        target: 'http://'   ip.address()   ':8080',
        secure: false,

      }]
  }

What is expected?

can use complete http-proxy-middleware config

What is actually happening?

can't use Complicated http-proxy-middleware config

---

From the source it is clear that only simple matcher is supported, And it's not support Array config， For example reproduce

vue-cli/packages/@vue/cli-service/lib/util/prepareProxy.js

Line 66 in 3def765

return pathname.match(context)

[haoqunjiang]

Duplicate of #2285